ref: 997fe9a10272cd9c3a5f128213e64008ee663078
parent: 9e8a7983fe082d6e674f0279ab0e2bbd2a89b237
author: David <gek@katherine>
date: Tue Mar 9 21:59:38 EST 2021
Automatic commit.
--- a/src/ztriangle.h
+++ b/src/ztriangle.h
@@ -23,7 +23,7 @@
GLfloat fdx1, fdx2, fdy1, fdy2;
GLushort* pz1;
PIXEL* pp1;
- GLint update_left, update_right;
+
GLint nb_lines, dx1, dy1, dx2, dy2;
#if TGL_FEATURE_POLYGON_STIPPLE == 1
@@ -171,10 +171,12 @@
DRAW_INIT();
//part used here and down.
for (GLint part = 0; part < 2; part++) {+
{ZBufferPoint *pr1, *pr2, *l1, *l2; //BEGINNING OF LIFETIME FOR ZBUFFERPOINT VARS!!!+ GLint update_left, update_right; //update_left decl
if (part == 0) { if (fz > 0) { //Here! (VALUE_FZ_USED)- update_left = 1;
+ update_left = 1; //update_left first usage.
update_right = 1;
l1 = p0; //MARK l1 first usage
l2 = p2; //MARK l2 first usage
@@ -181,7 +183,7 @@
pr1 = p0; //MARK first usage of pr1
pr2 = p1; //MARK first usage pf pr2
} else {- update_left = 1;
+ update_left = 1; //update_left second usage.
update_right = 1;
l1 = p0;
l2 = p1;
@@ -192,12 +194,12 @@
} else { //SECOND PART~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~/* second part */
if (fz > 0) { //fz last usage (VALUE_FZ_USED)- update_left = 0;
+ update_left = 0; //update left third usage.
update_right = 1;
pr1 = p1;
pr2 = p2;
} else {- update_left = 1;
+ update_left = 1; //4th
update_right = 0;
l1 = p1;
l2 = p2;
@@ -207,7 +209,7 @@
/* compute the values for the left edge */
//pr1 and pr2 are not used inside this area.
- if (update_left) {+ if (update_left) { //5th usage {register GLint tmp;
dy1 = l2->y - l1->y;
@@ -258,7 +260,7 @@
//Is l1 used after update_left?
/* compute values for the right edge */
- if (update_right) {+ if (update_right) { //Update right testeddx2 = (pr2->x - pr1->x);
dy2 = (pr2->y - pr1->y); //LAST USAGE OF PR2
if (dy2 > 0)